Audi A4 Quattro Wagon (8K5) L4-2.0L Turbo (CAEB) Technical Service Bulletin # 401009 Date: 100909
Steering/Suspension - Front End Creaking Noises
40 Creaking noises from five link front suspension
40 10 09
2024317/1
September 7, 2010
649
AFFECTED VEHICLES
CONDITION
Creaking noises from the front of the vehicle when steering or driving on uneven roads.
TECHNICAL BACKGROUND
Premature hardening of the grease leads to poor lubrication of the joint on the bearing arm.
PRODUCTION SOLUTION
Parts manufactured with optimized lubricant.
SERVICE
Place the vehicle on a lift and use chassis ears or other technique to determine whether the noises are caused by the lower ball joint (Figure 1, Point
1).
If the lower ball joints are isolated as the source of the noise, replace both lower ball joints.
650
WARRANTY
ADDITIONAL INFORMATION
All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service
manuals for the latest information.